A 63-year-old man with nonsevere first CDI successfully treated asks about prevention of recurrence. Which is true per 2021 update?AMetronidazole is recommended for preventionBBezlotoxumab may be considered in high-risk patients to prevent recurrenceCFecal microbiota transplantation is first-line after initial cureDLong-term probiotics are recommended for preventionETapered pulse vancomycin is preferred over fidaxomicin for initial episodeCheck my answer